EP1325710A2 - Ciseaux de microchirurgie - Google Patents

Ciseaux de microchirurgie Download PDF

Info

Publication number
EP1325710A2
EP1325710A2 EP02405959A EP02405959A EP1325710A2 EP 1325710 A2 EP1325710 A2 EP 1325710A2 EP 02405959 A EP02405959 A EP 02405959A EP 02405959 A EP02405959 A EP 02405959A EP 1325710 A2 EP1325710 A2 EP 1325710A2
Authority
EP
European Patent Office
Prior art keywords
probe
scissor
tip
scissors
instrument according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02405959A
Other languages
German (de)
English (en)
Other versions
EP1325710A3 (fr
Inventor
Oliver Jud
Werner Maag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcon Grieshaber AG
Original Assignee
Alcon Grieshaber AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcon Grieshaber AG filed Critical Alcon Grieshaber AG
Publication of EP1325710A2 publication Critical patent/EP1325710A2/fr
Publication of EP1325710A3 publication Critical patent/EP1325710A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/30—Surgical pincettes, i.e. surgical tweezers without pivotal connections
    • A61B2017/305—Tweezer like handles with tubular extensions, inner slidable actuating members and distal tools, e.g. microsurgical instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery

Definitions

  • the invention relates to a microsurgical cutting instrument in the form of scissors, which is designed as a handle Housing, a sliding device arranged therein for a movement oriented in the axial direction, a as Hollow needle formed probe with in it in the axial direction mounted rod and one arranged at the distal end thereof Includes cutting device.
  • the present invention is generally concerned with the problem surgical interventions in the cavities of a living being, for example in the eye of a living being for the treatment of retinal Diseases that are often associated with hypertension or vascular changes occur.
  • retinal Diseases that are often associated with hypertension or vascular changes occur.
  • With such diseases can cross in the area and be enveloped by a skin Arteries and veins called branch vein occlusions occur, as a result of which the vein lies on top of it Artery compressed or pinched off becomes.
  • branch vein occlusions occur, as a result of which the vein lies on top of it Artery compressed or pinched off becomes.
  • the well-known cutting instruments can be due to the shape of the scissor blades damaged the tissue respectively deformed and displaced before the actual cut be, so the well-known cutting instruments do not meet the requirements of modern microsurgery and for operations on fine tissue structures, in particular are not suitable for retinal surgery.
  • the invention has for its object a cutting instrument according to the genus mentioned in the preamble of claim 1 to improve that surgery for the surgeon even with relatively fine structures, but especially easier with fine retinal structures and in a confined space with maximum protection of the tissue can be carried out with exact cuts.
  • the cutting instrument according to the invention is characterized by two oriented in the axial direction and from which the tubular probe protruding distal end each provided with a cutting blade and either bent in an arc or straight scissor links, at which the cutting edges provided on the cutting blades in the open scissor position over one of the respective Blade tip oriented in the direction of the probe below arranged at an acute angle to each other and as a result of a relative to the scissor links in the direction of a scissor tip oriented movement of the probe facing each other Cutting edges can be brought into engagement with one another.
  • a cutting instrument is created by means of which precise microsurgery can be performed are without damaging the fabric.
  • operations retinal surgery, for example in subretinal operations is the use of the cutting instrument according to the invention of particular advantage.
  • Another embodiment of the cutting instrument according to the invention is characterized by at least one in axial Direction arranged in the tubular probe Light guide, which with one end to a light source connected and off at the other end to illuminate the the distal end of the two protruding in the open and / or closed scissors position to each other Cutting blades is formed.
  • the tubular probe Light guide which with one end to a light source connected and off at the other end to illuminate the the distal end of the two protruding in the open and / or closed scissors position to each other Cutting blades is formed.
  • a light guide arranged in the probe assigned optical channel provided with an optical conductor, by means of which during insertion as well as surgical Interferes with the image of the current operation and observation area is transferable to a monitor screen.
  • Fig. 1 for clarification Invention an eye 10 on a larger scale and as a horizontal section shown and you can see the cornea 1 (CORNEA), the iris 2 (IRIS) with the pupil 3, the Leather skin 4 (sclera), designated 5 in its entirety Vitreous body with the vitreous cavity 5.1 and the lens 6 (LENS), the retina 7 (RETINA) and the radiation bands 8 (Zonule).
  • CORNEA cornea 1
  • IRIS the iris 2
  • LENS the retina 7
  • RETINA retina 7
  • Zonule the radiation bands 8
  • OTICUS Eye 10 emerging optic nerve bundle 9
  • FIG. Cutting instrument 20 which with an arranged thereon Probe 46 is inserted into the vitreous cavity 5.1.
  • the Cutting instrument 20 essentially comprises a housing 25, an associated with it and not shown in Fig.1 Sliding unit and a function carrier 35 for the probe 46 designed as an elongated hollow needle. On the distal The end of the probe 46 is shown schematically in FIG Cutting device 50 arranged.
  • an incision 12 is cut into the dermis 4, through which the probe 46 with the cutting device 50 in the vitreous cavity 5.1 can be inserted. After this Pulling out the probe 46 together with the cutter 50 the incision 12 closes automatically.
  • the cutting instrument 20 can, as shown schematically in FIG. with the probe 46 and the cutting device 50 according to Double arrow direction Y in relation to the inner side facing the retina 7 in the axial direction in the vitreous cavity 5.1 shifted and around the theoretical longitudinal axis (not shown) are rotated in the direction of the arrow Y '.
  • the formed as an elongated hollow needle and into the vitreous cavity 5.1 insertable probe 46 has an outer diameter in the order of about 1.0 mm and an inner diameter of about 0.8 mm.
  • a rod oriented in the axial direction is arranged, which, at the distal end protruding from the probe 46, leads to the Cutting fine structures trained cutting device 50 has.
  • the one with two interacting cutting blades provided cutting device 50 and appropriate others Embodiments of the same will be shown in the following described.
  • the cutting instrument 20 comprises a handle and with two half-shell-shaped, elongated housing parts 26 and 27 provided housing 25. At the rear end are the two housing parts 26 and 27, for example, by means of a cap 28 in a manner not shown connected with each other. Between the two housing parts 26 and 27 is a support arm 29 and one with the two housing parts 26 and 27 cooperating sliding device 30 is arranged. At the front end of the support arm 29 is a guide piece 31 arranged, which for screwable attachment of the functionaries designated as a whole by 35 is trained.
  • cylindrical guide piece 31 is a schematic in Fig.2 shown and oriented in the axial direction Bolt 32 mounted, which at one end with the sliding device 30 and at the other end with one in axial Direction oriented and approximately bolt-shaped Actuator 40 is operatively connected.
  • the actuator 40 is in axially displaceably mounted in the function carrier 35.
  • the function holder provided with the individual elements 35 is on by means of a screwable union nut 33 the cylindrical guide piece 31 of the support arm 29 arranged in this way and fastened that the bolt-shaped actuator 40 operatively connected to the bolt 32 of the sliding device 30 is.
  • the function carrier 35 is described below with reference to the figures 3 and 4 described in detail.
  • Cutting instrument 20 is by the P in the double arrow direction oriented manual pressure on the two housing parts 26, 27 actuated the sliding device 30.
  • the in the guide piece 31 mounted bolt 32 and so operatively connected actuator 40 moved in the axial direction and as a result, that cooperating with probe 46 Cutting device 50 actuated.
  • Fig. 3 shows that shown in section and on a larger scale Function carrier 35 and you can see that with one Recess 33.1 provided union nut 33, one mounted therein Guide sleeve 45, one on the outer diameter arranged intermediate ring 24 and an adjusting ring 34.
  • the Setting ring 34 is with a screwed-in threaded pin 34.1 attached to the guide sleeve 45.
  • the actuator 40 arranged, which on the in the recess 45.1 of the guide sleeve 45 arranged end with a cylindrical, stepped trained portion 42 is provided.
  • On the cylindrical Section 42 is cylindrical with one end Compression spring 44 mounted with the other end is supported on the inner wall of the guide sleeve 45.
  • the individual parts 33, 24, 34, 45 and 40 of the function carrier 35 essentially form a structural unit.
  • the actuator 40 is with a blind hole 41 oriented in the axial direction and one oriented transversely to it and labeled 41.1 Provide recess.
  • the blind hole 41 is for receiving and storage of a rod 47 and for receiving as a hollow needle trained and attached to the actuator 40 probe 46th educated.
  • the axial direction in the tubular Rod 46-supported rod 47 is at the front distal end provided with the cutting device 50.
  • the cutting device 50 essentially comprises two in the axial direction oriented scissor members 55 and 60, which on the from the Probe 46 projecting distal end with approximately scissors-cooperating Cutting blades 56 and 61 are provided.
  • the tubular probe 46 is in a manner not shown, for example by an adhesive, welded or soldered connection with the actuator which can be moved in the axial direction 40 connected.
  • the rod 47 is in the tubular Probe 46 supported end by at least one radial threaded pin 43 screwed into the guide sleeve 45 secured against axial displacement.
  • On the probe 46 protruding end on the rod 47 is the finer for cutting Structured cutting device 50 arranged.
  • In 3 are the two cutting blades 56 and 61 as a result of the in Arrow direction X 'withdrawn probe 46 and as a result of spring-elastic restoring force of the scissor links 55 and 60 shown in a largely open position.
  • Figure 4 shows that described above in connection with Figure 3 Function carrier 35 with the individual elements. deviant of Figure 3 is the actuator 40 in Figure 4 against the Restoring force of the compression spring 44 relative to that by the grub screw 43 with the guide sleeve 45 secured rod 47 shifted in the axial direction according to arrow direction X. at this process, the two cutting blades 56 and 61 of essentially on the two elongated scissor links 55 and 60 pushed probe 46 closed.
  • the relative to of the cutting device 50 oriented in the axial direction Movement of the tubular probe 46 is determined by means of the in Fig.2 shown as an embodiment and by the ophthalmologist for example manually operated cutting instrument 20 reached.
  • FIG. 5 shows a further exemplary embodiment in view and partially shown in section of the function carrier 35, which is largely analogous to that in Connection with the function carriers described in FIGS. 3 and 4 35 is formed.
  • a first Pipe piece 36 stored, which with one end in not shown is attached to the actuator 40.
  • coaxial tubular probe 46 arranged and attached.
  • a second pipe piece 38 arranged eccentrically and fastened.
  • the light guide 22 there is 36 in the first pipe section an entry opening 37 for introducing a light guide 22 intended.
  • the light guide 22 is through the inlet opening 37 into the first pipe section 36 and from there into the probe 46 introduced.
  • the light guide 22 penetrates the tubular Probe 46 in the axial direction and is by a At the end of the same provided exit opening 49 led out.
  • the light guide 22 led out of the probe 46 is preferred arranged on the outer circumference of the second pipe section 38 and for example by means not shown attached to it.
  • the light guide 22 stands with a light source schematically shown in Fig.5 21 in connection.
  • the light source 21 can for example also in the form of a battery in the housing 25 of the instrument 20 (Fig.2) can be arranged.
  • the tubular probe 46 for example a known per se and in the axial direction oriented optics channel 14 arranged.
  • the optics channel 14 is for image transmission, for example for monoscopic Image transmission arranged an optical conductor 14.1.
  • the in the optical conductor 14.1 arranged above the optical channel projects a line inserted into the inlet opening 37 of the probe 46 14 with a camera shown schematically in FIG 16 and this with a monitor screen 15 in connection.
  • the known optical conductor 14.1 is made for example from one or a plurality to one Bundle of combined optical fibers. Another There is a possibility that the optical conductor 14.1 is integrated in the line 14 and this in the axial Arranged in the probe 46 up to the distal end is.
  • FIG. 6A shows the first variant as shown in FIG. 5 Line I-I on average and on a larger scale shown tubular probe 46 and you can see the im Interior 46.1 of the same arranged rod 47 with the two arms are approximately semicircular in cross-section 47.1 and 47.2 and the light guide 22.
  • FIG 6B shows as a second variant the one shown in FIG Line I-I on average and on a larger scale shown tubular probe 46 and you can see the im Interior 46.1 of the same and semi-circular with the two trained arms 47.1 and 47.2 provided rod 47. Deviating from the variant according to FIG Variant in addition to that in the axial direction of the probe 46 oriented light guide 22 with the optical guide 14.1 provided optics channel 14.
  • FIG. 7A shows the first variant as shown in FIG. 5 Line II-II on average and on a larger scale shown probe 46 with the arranged in this area Exit opening 49.
  • the second is at probe 46 Pipe piece 38 arranged, in which the two semicircular Arms 47,1 and 47.2 provided rod 47 coaxially is stored. Furthermore, one can see that from the recess 49 led out and on the outer diameter of the second pipe section 38 adjacent light guide 22, which is preferably attached to it by means not shown is.
  • FIG. 7B shows as a second variant the one shown in FIG Line II-II on average and on a larger scale shown probe 46 with the second arranged thereon Pipe piece 38 and the rod 47 arranged coaxially therein.
  • This variant differs from the variant according to FIG. 7A in addition to the light guide 22 with the optical Head 14.1 provided optics channel 14 is arranged.
  • the one from the Recess 49 elements 22 and 14 are on Outside diameter of the second pipe section 38 is arranged adjacent and preferably by means not shown thereon attached.
  • FIG. 8 shows this in accordance with the arrow direction drawn in FIG. 5 III shown in plan view and on a larger scale Section of the probe 46 with the arranged thereon second pipe section 38 and the one oriented in the axial direction Exit opening 49. You can also see that from the exit opening 49 led out light guide 22 with the associated Optics channel 14, both on the second pipe section 38 are arranged adjacent. Furthermore, one can see in FIG led out of the second pipe section 38 and with the approximately Cutting blades 56 and shown in the open position 61 provided cutting device 50.
  • the light guide 22 is preferably such on the end face 23 formed that the emitted light cone 19 preferably with a limited solid angle on the distal end of the Cutting device 50 directed and thereby the cutting function during surgery for the ophthalmologist is clearly visible.
  • the Light guide 22 is provided with the optical guide 14.1 Optical channel 14 assigned so that the operation and observation area during the surgical procedure on the Monitor screen 15 transferable and for the ophthalmologist analogous is visually recognizable.
  • the in Fig.9A includes cutting device 50 shown in view the arranged in the tubular probe 46 and in profile cross section circular rod 47 with the two scissor members 55 and 60 arranged thereon.
  • the two elongated scissor links 55 and 60 are in the front area arched bent. That in the profile cross section semicircular second scissor link 60 is preferably formed as an extension on the rod 47.
  • This is also semicircular in profile cross-section first scissor member 55 is at points 48, 48.1 and 48.2 by an adhesive, welded or soldered connection on the Rod 47 or attached to the second scissor member 60.
  • the two opposite connection points 48.1 and 48.2 have a length oriented in the axial direction (FIG. 9A) of about 5 mm, so that the two scissor members 55 and 60 in the front area against the resilient restoring force can be spread.
  • the two scissor members 55 and 60 In the front area are the two scissor members 55 and 60 each with the molded provided elongated scissor blades 56 and 61.
  • the two with relatively large radius (Fig. 9F) spread relative to each other to achieve a bias Scissor blades 56 and 61 are spaced apart by a gap 59. In the position according to Fig.
  • FIG. 9B shows the cutting device 50 in plan view and you can see that in the tubular probe 46 arranged rod 47 with the two scissor members 55 and 60 and the scissor blades 56 and 61 formed thereon.
  • the cutting edges 57, 62 and scissor tips provided 58.63 spread relative to the theoretical longitudinal axis S-S and spaced apart.
  • the outer long sides 54 and 64 of the two scissor members 55 and 60 are of this type arcuate that in the direction of arrow X movement of the probe 46 oriented in the axial direction two scissor blades 56 and 61 against the resilient Restoring force in the direction of arrow Z synchronously in the direction the longitudinal axis S-S are moved.
  • FIG. 9C shows the cutting device 50 according to FIG. 9B, at which is due to the axial direction in the direction of the arrow X probe 46 moved the two scissor members 55 and 60 partially closed with the molded scissor blades 56 and 61 and the cutting edges 57, 62 arranged thereon are engaged with each other.
  • Fig.9D are those according to the line drawn in Fig.9A IV-IV are semicircular in profile cross-section Scissor members 55 and 60 of the rod 47 as well as the tubular Probe 46 shown.
  • the one with the flat sides facing each other facing scissor members 55 and 60 are as above in Connection described with Fig.9A, at point 48 (Fig.9A) and at the opposite points 48.1 and 48.2 with each other connected.
  • Fig. 9E shows a section according to that shown in Fig. 9C Line V-V and one recognizes the one arranged in the probe 46 Rod 47 and the two shown in the open position Scissor links 55.60 and the two scissor blades 56 and 61 with the arranged and facing each other as well with cutting edges 57 and 62 provided cutting surfaces 57.1 and 62.1.
  • Fig. 9F the distal end of the Cutting device 50 shown according to the first variant and you can see the two shown in the closed position and towards a rounded scissor tip 65 tapered scissor blades 56 and 61.
  • the tip of the scissors 65 is preferably with a radius R 'in the Order of magnitude from 0.01 mm to 0.03 mm rounded and can used for piercing.
  • the two scissor blades 56 and 61 are elongated and elongated in the axial direction Cutting device 50 is formed, in which the two Scissor blades 56 and 61 at an acute offset angle ⁇ and a radius R relative to the theoretical longitudinal axis S-S bent or bent in the same direction are.
  • the two scissor blades 56 and 61 starting from the end face 46.2 of the probe 46 up to the scissor tip 65, have a length L which is greater than the height H extending from the outer diameter of the probe 46 to the scissor tip 65 ,
  • the section of the cutting device 50 protruding from the probe 46 is stretched relatively long and, at a distance from the end face 46.2 of the probe 46 with the offset angle ⁇ with respect to the theoretical longitudinal axis SS, is approximately curved.
  • the length L is approximately 2.5 mm to 3.8 mm and the height H approximately 1.7 mm to 2.0 mm.
  • the radius R is approximately 1.8 mm to 2.0 mm and the offset angle ⁇ is approximately between 40 ° and 65 °.
  • the length L 3.0 mm
  • the height H 1.55 mm
  • the radius R 2.0 mm
  • the offset angle ⁇ 60 °.
  • FIGS. 10A to 10C show a second variant of the Cutting device 50 shown, which essentially is analogous to the first variant and is tubular Probe 46, the two scissor links arranged therein 55 and 60 with the scissor blades 56 formed thereon and 61.
  • the two scissor members 55 and 60 of the gap 59 are provided and the blade tips 58 and 63 are approximately open Position to each other.
  • the tubular Probe 46 By one in axial Direction-oriented sliding movement of the tubular Probe 46 will be relative to the two scissor members 55 and 60 the cutting blades 56 and 61 against the resilient Resetting force for the cutting process is closed accordingly.
  • FIG. 10B shows those arranged with the probe 46 and the two therein Cutting device provided with scissor members 55, 60 50 according to Fig. 10A, in which as a result of the arrow direction X in the axially oriented sliding movement of the tubular Probe 46 the two towards the rounded Scissor tip 65 tapered scissor blades 56 and 61 are closed.
  • the extended length L extending from the end face 46.2 of the probe 46 to the scissor tip 65 in relation to the height H extending from the outer diameter of the probe 46 to the scissor tip 65 about the same size.
  • the radius R is preferably made smaller than the length L.
  • the section of the cutting device 50 protruding from the probe 46 is shorter and, with respect to the theoretical longitudinal axis SS, is cranked with the radius R directly on the end face 46.2 of the probe 46.
  • the length L and the height H are approximately 1.7 mm to 2.0 mm.
  • the radius R of the two curved scissor members 56 and 61 is approximately 1.5 mm to 1.8 mm, which scissor members 56, 61 with respect to the longitudinal axis SS in the direction of the scissor tip 65 at an angle ⁇ of the order of approximately 60 ° to 70 ° are preferably bent in the same direction and in an arc shape at an angle ⁇ of 65 °.
  • 10C shows the second variant of the cutting device 50 shown in top view and you can see the tubular Probe 46 with the two scissor members 55.60 and the protruding scissor blades on top of each other 56 and 61.
  • the scissor blades 56 and 61 are outgoing from the end face 46.2 of the probe 46 in the direction of the the radius R 'of about 0.01 mm to 0.03 mm rounded scissors tip 65 tapered.
  • FIG. 11A shows a third variant of the cutting device 50 and the tubular probe 46 with the two scissor members 55 and 60 arranged therein can be seen.
  • the two scissor blades 56 and 61 protruding from the end of the probe 46 are approximately hook-shaped and with one Radius R cranked with respect to the theoretical longitudinal axis SS and tapered in the direction of the scissor tip 65.
  • the length L as well as the height H which extends from the front edge 46 'to the tip 65 of the scissors, is approximately 1.5 mm to 1.8 mm.
  • the radius R is approximately 1.5 mm and the scissor tip 65 is bent in an arc shape in relation to the longitudinal axis SS at an angle ⁇ in the order of magnitude of 65 °.
  • 11B shows the third variant shown in plan view the cutting device 50 in which the probe 46 is relative to the two scissor blades 56 and 61 is withdrawn.
  • the resilient restoring force are the two Scissor blades 56 and 61 spread relative to the longitudinal axis S-S arranged to each other.
  • Different from the first and second variant is distal on the third variant End of the two scissor blades 56 and 61 one in the direction the longitudinal axis S-S section 53 and 66 molded.
  • the two sections 53 and 66 are on the sides facing each other with the ground Provide cutting edge 57 and 62 respectively.
  • the two arranged on the scissor blades 56 and 61 Portions 53 and 66 are formed such that in the Direction of arrow X oriented relative to the scissor members 55, 60 Movement of the probe 46 along the opposite Long sides 54 and 64 of the two scissor blades 56 and 61 slides and synchronously in the direction of the longitudinal axis S-S according to the direction of arrow Z so that the other facing cutting edges 57 and 62 cutting engagement to be brought.
  • the provided on the sections 53 and 66 Blade tips 58 and 63 are also with the in of the order of magnitude from 0.01 mm to 0.03 mm radius R "rounded.
  • FIGS. 12A to 12C show a fourth variant of the Cutting device 50 shown on a larger scale and one recognizes the tubular probe 46 and the coaxial rod 47 arranged therein with the two scissor members 55 and 60.
  • the two are spaced apart by gap 59 Scissor links 55 and 60 with the molded on Scissor blades 56.61 and blade tips 58.63 largely in the open Position shown.
  • Different from the above Embodiments described according to Figures 9A and 10A and 11A includes the cutting device 50 according to FIG. 12A two elongated and rectilinearly oriented in the axial direction Scissor links 55 and 60 with the scissor blades molded onto them 56 and 61.
  • FIG. 12B shows the cutting device 50 according to FIG. 12A in FIG Top view, in which due to the shifted in the axial direction Probe 46 the two with the sliding or long sides 54,64 provided scissor links 55,60 with the molded Scissor blades 56 and 61 partially closed and approximately in the cutting position are shown. In the cutting position are the two cutting edges 57 and 62 of the scissor blades 56,61 starting from the two rounded with the radius R ' Leaf tips 58 and 63 at an acute opening angle ⁇ to one another arranged.
  • the special design and dimensions The individual items are discussed below in conjunction with Fig. 14 described in detail.
  • FIG. 12C shows the fourth variant of the cutting device 50 shown in Fig.12A in view, in which as a result those oriented according to the direction of arrow X in the axial direction Sliding movement of the tubular probe 46 the two in Direction of the rounded scissors tip 65 tapered Scissor blades 56.61 are closed.
  • FIGS. 13A to 13C show a further and larger one Variant of the cutting device 50 and shown in scale one recognizes the tubular probe 46 and the coaxial rod 47 arranged therein with the two at the connection point 48 interconnected scissor links 55.60.
  • the two are spaced apart by the gap 59 Scissor links 55.60 with the scissor blades molded onto them 56.61 and the two leaf tips 58.63 in the open Position shown.
  • FIG. 13B shows a top view of the cutting device 50 according to FIG. 13A, in which, as a result of the probe 46 displaced in the axial direction in the direction of arrow X, the two scissor members 55, 60 and the scissor blades 56, 61 arranged thereon are partially closed or approximately in the cutting position are shown.
  • the two scissor blades 56, 61 arranged on the scissor members 55, 60 are, starting from the transition point 51 or from the transition point 52 in the direction of the respective blade tip 58 or 63, largely conically tapering in a lance-shaped manner.
  • the two mutually facing cutting edges 57 and 62 are arranged starting from the blade tip 58 and 63, each rounded off with the radius R ′′, at an acute opening angle y to one another.
  • FIG. 13C shows the cutting device 50 according to FIG. 13A in FIG View in which as a result of the orientation according to the direction of arrow X Sliding movement of the tubular probe 46 die both tapering in the direction of the rounded scissors tip 65 trained scissor blades 56 and 61 are closed.
  • the two scissor blades 56, 61 form in the closed position a relatively short cutter 50, in which the two scissor blades 56.61 also at an acute offset angle ⁇ with the radius R relative to the theoretical Longitudinal axis S-S curved and bent in the same direction are.
  • the individual elements of the variant according to Figs. 13A to 13B for example, have the above in connection with Fig.9F or in connection with Fig.10B mentioned Dimensions.
  • FIG. 14 shows the distal end of the two scissor blades 56 and 61, shown approximately in the cutting position, for the respective cutting device 50, shown in a top view and on a larger scale.
  • the two cutting edges 57 and 62 are based on the two blade tips 58 rounded off with the radius R " and 63 are arranged at an acute opening angle ⁇ over a distance D.
  • the cutting device 50 can be replaced interchangeably with the Probe 46 can be used, the rod 47 by means of each of the threaded pin that can be screwed into the guide sleeve 45 43 is fixed and consequently with that in Fig.3 and 4 functional unit 35 form a structural unit.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)
EP02405959A 2001-12-21 2002-11-07 Ciseaux de microchirurgie Withdrawn EP1325710A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/032,306 US6908476B2 (en) 2001-12-21 2001-12-21 Micro surgical cutting instrument configured as scissors
US32306 2001-12-21

Publications (2)

Publication Number Publication Date
EP1325710A2 true EP1325710A2 (fr) 2003-07-09
EP1325710A3 EP1325710A3 (fr) 2005-07-20

Family

ID=21864220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405959A Withdrawn EP1325710A3 (fr) 2001-12-21 2002-11-07 Ciseaux de microchirurgie

Country Status (3)

Country Link
US (1) US6908476B2 (fr)
EP (1) EP1325710A3 (fr)
JP (1) JP2003199783A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1285631A3 (fr) * 2001-08-23 2004-02-04 Alcon Grieshaber AG Instrument de microchirurgie
CN103234774A (zh) * 2013-05-06 2013-08-07 郑州大学第一附属医院 视网膜神经细胞层体外分离制备的方法
CN104970918A (zh) * 2015-07-27 2015-10-14 浙江大学 一种用于巩膜微切口后路白内障后囊膜环行撕囊的显微镊
WO2017102975A1 (fr) * 2015-12-15 2017-06-22 Netvlieschirurg B.V. Pince de préhension fine et de diathermie et dispositif de coupe diathermique pour chirurgie intraoculaire
EP3202341A4 (fr) * 2014-09-30 2018-03-21 iMott Inc. Ciseaux

Families Citing this family (124)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1330986B1 (fr) * 2002-01-25 2009-12-09 Terumo Kabushiki Kaisha Dispositif d'incision vasculaire
WO2004026347A2 (fr) * 2002-09-17 2004-04-01 Iscience Surgical Corporation Appareil et procede de derivation chirurgicale d'humeur aqueuse
US7374566B1 (en) * 2002-10-10 2008-05-20 Schossau Tom M Surgical knives for large, self-sealing corneal incisions coupled to a universal intraocular lens (IOL) injector
US7485143B2 (en) * 2002-11-15 2009-02-03 Abbott Cardiovascular Systems Inc. Apparatuses and methods for heart valve repair
JP2007514465A (ja) 2003-11-13 2007-06-07 シナージエテイクス・インコーポレイテツド アクチュエータ位置を調節可能な手術装置ハンドル
MXPA06012460A (es) * 2004-04-29 2007-07-13 Iscience Surgical Corp Metodo y aparato para mejora quirurgica de drenaje de humor acuoso.
US20100173866A1 (en) * 2004-04-29 2010-07-08 Iscience Interventional Corporation Apparatus and method for ocular treatment
US8262682B2 (en) * 2004-08-10 2012-09-11 Asico Llc Nucleus chopper and splitter
US8979879B2 (en) * 2004-08-10 2015-03-17 Asico, Llc. Nucleus chopper and splitter
JP4731565B2 (ja) * 2004-10-15 2011-07-27 エム． グレイサー バート 内境界膜掻集器具
US7731728B2 (en) * 2004-11-30 2010-06-08 Glaser Bert M Internal limiting membrane rake
EP1879505B1 (fr) * 2005-04-29 2012-10-24 Vivasure Medical Limited Dispositif d'obturation medical d'intervention
GB2428009A (en) * 2005-07-04 2007-01-17 Martin Lister Needle point surgery
CA2663291A1 (fr) * 2006-09-12 2008-03-20 University Of Florida Research Foundation, Inc. Procedes et dispositifs de differentiation de types de tissu
US7655004B2 (en) 2007-02-15 2010-02-02 Ethicon Endo-Surgery, Inc. Electroporation ablation apparatus, system, and method
US7815662B2 (en) 2007-03-08 2010-10-19 Ethicon Endo-Surgery, Inc. Surgical suture anchors and deployment device
US8075572B2 (en) 2007-04-26 2011-12-13 Ethicon Endo-Surgery, Inc. Surgical suturing apparatus
US8100922B2 (en) 2007-04-27 2012-01-24 Ethicon Endo-Surgery, Inc. Curved needle suturing tool
ES2696538T3 (es) 2007-06-15 2019-01-16 Vivasure Medical Ltd Dispositivo de cierre
US8568410B2 (en) 2007-08-31 2013-10-29 Ethicon Endo-Surgery, Inc. Electrical ablation surgical instruments
US8262655B2 (en) 2007-11-21 2012-09-11 Ethicon Endo-Surgery, Inc. Bipolar forceps
US8579897B2 (en) 2007-11-21 2013-11-12 Ethicon Endo-Surgery, Inc. Bipolar forceps
US8480657B2 (en) 2007-10-31 2013-07-09 Ethicon Endo-Surgery, Inc. Detachable distal overtube section and methods for forming a sealable opening in the wall of an organ
US20090112059A1 (en) 2007-10-31 2009-04-30 Nobis Rudolph H Apparatus and methods for closing a gastrotomy
US8262680B2 (en) 2008-03-10 2012-09-11 Ethicon Endo-Surgery, Inc. Anastomotic device
JP5196645B2 (ja) * 2008-03-21 2013-05-15 Ｈｏｙａ株式会社 眼科用手術器具
WO2009140688A2 (fr) * 2008-05-16 2009-11-19 The Johns Hopkins University Système et procédé de renforcement de la macro-micro dextérité distale dans une microchirurgie de l'œil
US8652150B2 (en) 2008-05-30 2014-02-18 Ethicon Endo-Surgery, Inc. Multifunction surgical device
US8070759B2 (en) 2008-05-30 2011-12-06 Ethicon Endo-Surgery, Inc. Surgical fastening device
US8679003B2 (en) 2008-05-30 2014-03-25 Ethicon Endo-Surgery, Inc. Surgical device and endoscope including same
US8317806B2 (en) 2008-05-30 2012-11-27 Ethicon Endo-Surgery, Inc. Endoscopic suturing tension controlling and indication devices
US8114072B2 (en) 2008-05-30 2012-02-14 Ethicon Endo-Surgery, Inc. Electrical ablation device
US8771260B2 (en) 2008-05-30 2014-07-08 Ethicon Endo-Surgery, Inc. Actuating and articulating surgical device
US8906035B2 (en) 2008-06-04 2014-12-09 Ethicon Endo-Surgery, Inc. Endoscopic drop off bag
US8403926B2 (en) 2008-06-05 2013-03-26 Ethicon Endo-Surgery, Inc. Manually articulating devices
US8361112B2 (en) 2008-06-27 2013-01-29 Ethicon Endo-Surgery, Inc. Surgical suture arrangement
US8888792B2 (en) 2008-07-14 2014-11-18 Ethicon Endo-Surgery, Inc. Tissue apposition clip application devices and methods
US8262563B2 (en) 2008-07-14 2012-09-11 Ethicon Endo-Surgery, Inc. Endoscopic translumenal articulatable steerable overtube
US8211125B2 (en) 2008-08-15 2012-07-03 Ethicon Endo-Surgery, Inc. Sterile appliance delivery device for endoscopic procedures
US8529563B2 (en) 2008-08-25 2013-09-10 Ethicon Endo-Surgery, Inc. Electrical ablation devices
US8241204B2 (en) 2008-08-29 2012-08-14 Ethicon Endo-Surgery, Inc. Articulating end cap
US8480689B2 (en) 2008-09-02 2013-07-09 Ethicon Endo-Surgery, Inc. Suturing device
US8409200B2 (en) 2008-09-03 2013-04-02 Ethicon Endo-Surgery, Inc. Surgical grasping device
US8114119B2 (en) 2008-09-09 2012-02-14 Ethicon Endo-Surgery, Inc. Surgical grasping device
US8337394B2 (en) 2008-10-01 2012-12-25 Ethicon Endo-Surgery, Inc. Overtube with expandable tip
US8157834B2 (en) 2008-11-25 2012-04-17 Ethicon Endo-Surgery, Inc. Rotational coupling device for surgical instrument with flexible actuators
US8172772B2 (en) 2008-12-11 2012-05-08 Ethicon Endo-Surgery, Inc. Specimen retrieval device
US8361066B2 (en) 2009-01-12 2013-01-29 Ethicon Endo-Surgery, Inc. Electrical ablation devices
US8828031B2 (en) 2009-01-12 2014-09-09 Ethicon Endo-Surgery, Inc. Apparatus for forming an anastomosis
US20100191177A1 (en) * 2009-01-23 2010-07-29 Iscience Interventional Corporation Device for aspirating fluids
US8425473B2 (en) 2009-01-23 2013-04-23 Iscience Interventional Corporation Subretinal access device
US9226772B2 (en) 2009-01-30 2016-01-05 Ethicon Endo-Surgery, Inc. Surgical device
US8252057B2 (en) 2009-01-30 2012-08-28 Ethicon Endo-Surgery, Inc. Surgical access device
US8037591B2 (en) 2009-02-02 2011-10-18 Ethicon Endo-Surgery, Inc. Surgical scissors
US20110098704A1 (en) 2009-10-28 2011-04-28 Ethicon Endo-Surgery, Inc. Electrical ablation devices
US8608652B2 (en) 2009-11-05 2013-12-17 Ethicon Endo-Surgery, Inc. Vaginal entry surgical devices, kit, system, and method
US8353487B2 (en) 2009-12-17 2013-01-15 Ethicon Endo-Surgery, Inc. User interface support devices for endoscopic surgical instruments
US8496574B2 (en) 2009-12-17 2013-07-30 Ethicon Endo-Surgery, Inc. Selectively positionable camera for surgical guide tube assembly
US8506564B2 (en) 2009-12-18 2013-08-13 Ethicon Endo-Surgery, Inc. Surgical instrument comprising an electrode
US9028483B2 (en) 2009-12-18 2015-05-12 Ethicon Endo-Surgery, Inc. Surgical instrument comprising an electrode
US11357486B2 (en) 2009-12-30 2022-06-14 Vivasure Medical Limited Closure system and uses thereof
US9005198B2 (en) 2010-01-29 2015-04-14 Ethicon Endo-Surgery, Inc. Surgical instrument comprising an electrode
WO2011154970A1 (fr) * 2010-06-10 2011-12-15 Ram Srikanth Mirlay Dispositif chirurgical intraoculaire ophtalmique à fibre optique intégré équipé d'une caméra
US9428254B1 (en) 2010-09-24 2016-08-30 Katalyst Surgical, Llc Microsurgical handle and instrument
US9060751B2 (en) 2010-12-30 2015-06-23 Vivasure Medical Limited Surgical closure systems and methods
US8475479B2 (en) 2011-01-21 2013-07-02 Alcon Research, Ltd. Surgical probe
US10092291B2 (en) 2011-01-25 2018-10-09 Ethicon Endo-Surgery, Inc. Surgical instrument with selectively rigidizable features
US9254169B2 (en) 2011-02-28 2016-02-09 Ethicon Endo-Surgery, Inc. Electrical ablation devices and methods
US9233241B2 (en) 2011-02-28 2016-01-12 Ethicon Endo-Surgery, Inc. Electrical ablation devices and methods
US9314620B2 (en) 2011-02-28 2016-04-19 Ethicon Endo-Surgery, Inc. Electrical ablation devices and methods
US9049987B2 (en) 2011-03-17 2015-06-09 Ethicon Endo-Surgery, Inc. Hand held surgical device for manipulating an internal magnet assembly within a patient
BR112014007442B1 (pt) * 2011-09-27 2021-05-18 Edwin Ryan instrumento oftalmológico
US8821444B2 (en) 2011-10-03 2014-09-02 Katalyst Surgical, Llc Multi-utility surgical instrument
US9956042B2 (en) 2012-01-13 2018-05-01 Vanderbilt University Systems and methods for robot-assisted transurethral exploration and intervention
US9138346B2 (en) 2012-01-26 2015-09-22 Katalyst Surgical, Llc Surgical instrument sleeve
US8986199B2 (en) 2012-02-17 2015-03-24 Ethicon Endo-Surgery, Inc. Apparatus and methods for cleaning the lens of an endoscope
WO2013128292A2 (fr) 2012-02-29 2013-09-06 Vivasure Medical Limited Systèmes, dispositifs et procédés de fermeture de perforation percutanée
US9687303B2 (en) 2012-04-20 2017-06-27 Vanderbilt University Dexterous wrists for surgical intervention
WO2013158983A1 (fr) 2012-04-20 2013-10-24 Vanderbilt University Dispositif robotique pour l'établissement d'un canal d'accès
US9539726B2 (en) * 2012-04-20 2017-01-10 Vanderbilt University Systems and methods for safe compliant insertion and hybrid force/motion telemanipulation of continuum robots
US9427255B2 (en) 2012-05-14 2016-08-30 Ethicon Endo-Surgery, Inc. Apparatus for introducing a steerable camera assembly into a patient
US9078662B2 (en) 2012-07-03 2015-07-14 Ethicon Endo-Surgery, Inc. Endoscopic cap electrode and method for using the same
US9545290B2 (en) 2012-07-30 2017-01-17 Ethicon Endo-Surgery, Inc. Needle probe guide
US9161769B2 (en) 2012-07-30 2015-10-20 Covidien Lp Endoscopic instrument
US9572623B2 (en) 2012-08-02 2017-02-21 Ethicon Endo-Surgery, Inc. Reusable electrode and disposable sheath
US10314649B2 (en) 2012-08-02 2019-06-11 Ethicon Endo-Surgery, Inc. Flexible expandable electrode and method of intraluminal delivery of pulsed power
US9277957B2 (en) 2012-08-15 2016-03-08 Ethicon Endo-Surgery, Inc. Electrosurgical devices and methods
US9629645B2 (en) 2012-10-30 2017-04-25 Katalyst Surgical, Llc Atraumatic microsurgical forceps
US9226762B2 (en) 2012-11-07 2016-01-05 Katalyst Surgical, Llc Atraumatic microsurgical forceps
US10098527B2 (en) 2013-02-27 2018-10-16 Ethidcon Endo-Surgery, Inc. System for performing a minimally invasive surgical procedure
US9204995B2 (en) 2013-03-12 2015-12-08 Katalyst Surgical, Llc Membrane removing forceps
US9850013B2 (en) 2013-03-15 2017-12-26 Vivasure Medical Limited Loading devices and methods for percutaneous perforation closure systems
US10022267B2 (en) 2014-04-21 2018-07-17 Katalyst Surgical, Llc Method of manufacturing a microsurgical instrument tip
US9775943B2 (en) 2014-10-10 2017-10-03 Katalyst Surgical, Llc Cannula ingress system
WO2016096932A1 (fr) 2014-12-15 2016-06-23 Vivasure Medical Limited Appareil de fermeture avec élément scellable flexible et élément de support flexible
WO2016096930A1 (fr) 2014-12-15 2016-06-23 Vivasure Medical Limited Élément pouvant être scellé implantable avec une couche à mailles
CN104622630A (zh) * 2015-02-13 2015-05-20 苏州贝尔一锋医疗器械有限公司 一种角膜剪
US11278449B2 (en) * 2015-09-25 2022-03-22 Edwin Ryan Dynamic support for ophthalmic device
WO2017102941A1 (fr) 2015-12-15 2017-06-22 Vivasure Medical Limited Appareil de fermeture d'artériotomie avec patin rainure pour distribution avantageuse de compression
US10729582B2 (en) 2016-05-17 2020-08-04 Alcon Inc. Vitrectomy probe with end tissue cutter and associated devices, systems, and methods
WO2017218161A1 (fr) 2016-06-16 2017-12-21 Katalyst Surgical, Llc Manche d'instrument réutilisable à pointe à usage unique
TW201803527A (zh) * 2016-06-17 2018-02-01 諾華公司 膜分層裝置
US20180014849A1 (en) * 2016-07-17 2018-01-18 Katalyst Surgical, Llc Single-use instrument tip for customized reusable handles
ES2949144T3 (es) 2016-11-23 2023-09-26 Corit Medical Llc Aparato para reducción tisular
US11793394B2 (en) 2016-12-02 2023-10-24 Vanderbilt University Steerable endoscope with continuum manipulator
US20220401261A1 (en) * 2017-12-07 2022-12-22 Harry Michael Lambert Ophthalmological surgery microsurgery instruments and methods of use in pars plana vitrectomy for increasing surgical precision and reducing vitreoretinal instrument insertions and removals and related trauma
US20240415698A1 (en) * 2017-01-16 2024-12-19 Harry Michael Lambert Opthalmological microsurgery instrumentation system and methods of use for pars planar vitrectomy
US20220265469A1 (en) * 2017-09-08 2022-08-25 Harry Michael Lambert Ophthalmological surgery microsurgery instruments and methods of use for increasing surgical precision and reducing vitreoretinal instrument insertions and removals and related trauma
US10695043B2 (en) 2017-02-21 2020-06-30 Katalyst Surgical, Llc Surgical instrument subcomponent integration by additive manufacturing
US10660793B2 (en) 2017-08-09 2020-05-26 Vortex Surgical Medical device and methods of manufacturing thereof
WO2019055701A1 (fr) 2017-09-13 2019-03-21 Vanderbilt University Robots continuum à mouvement multi-échelle par modulation d'équilibre
CN108013919A (zh) * 2018-01-24 2018-05-11 中山市小榄人民医院 外科手术皮下组织分离微创手术刀
WO2019155299A1 (fr) 2018-02-09 2019-08-15 Novartis Ag Systèmes de fixation d'outil chirurgical et procédé d'utilisation
US11471242B1 (en) 2018-03-14 2022-10-18 Alcon Inc. Medical instruments with an integrated optical fiber and methods of manufacture
US10849640B2 (en) 2018-05-23 2020-12-01 Katalyst Surgical, Llc Membrane aggregating forceps
JP7300739B2 (ja) * 2018-06-29 2023-06-30 八田工業株式会社 医療器具、医療装置、及び、医療器具の製造方法
US11540941B2 (en) 2019-12-11 2023-01-03 Alcon Inc. Adjustable support sleeve for surgical instruments
JP7695244B2 (ja) 2019-12-11 2025-06-18 アルコン インコーポレイティド 手術器械用の調整可能な補剛材
US20220347015A1 (en) * 2021-05-03 2022-11-03 VisionCare Devices LLC. Vitrector Cutting Device with Distal Illumination Module
WO2022243765A1 (fr) 2021-05-17 2022-11-24 Alcon Inc. Outil chirurgical ophtalmique
US12186236B2 (en) 2021-08-26 2025-01-07 Alcon Inc. Adjustable stiffener for surgical instruments
WO2023073461A1 (fr) 2021-10-28 2023-05-04 Alcon Inc. Outil extensible à l'intérieur d'un manchon de renforcement
US20230240888A1 (en) * 2022-02-03 2023-08-03 Alcon Inc. Curved shape memory implement with cutting edge
EP4633557A1 (fr) 2022-12-14 2025-10-22 Alcon Inc. Structure de préhension pour retrait de membrane

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027510A (en) * 1974-05-15 1977-06-07 Siegfried Hiltebrandt Forceps
US4108211A (en) * 1975-04-28 1978-08-22 Fuji Photo Optical Co., Ltd. Articulated, four-way bendable tube structure
US4433687A (en) * 1980-05-02 1984-02-28 Acufex Microsurgical, Inc. Microsurgical scissors
US5486185A (en) * 1989-01-30 1996-01-23 Dexide, Inc. Surgical apparatus
US5047008A (en) * 1989-10-27 1991-09-10 Storz Instrument Company Vitrectomy probe
US5249121A (en) * 1989-10-27 1993-09-28 American Cyanamid Company Remote control console for surgical control system
US5439000A (en) * 1992-11-18 1995-08-08 Spectrascience, Inc. Method of diagnosing tissue with guidewire
US5498256A (en) * 1993-05-28 1996-03-12 Snowden-Pencer, Inc. Surgical instrument handle
US5501698A (en) * 1994-02-14 1996-03-26 Heartport, Inc. Endoscopic microsurgical instruments and methods
US5916149A (en) * 1995-10-25 1999-06-29 Ryan, Jr.; Edwin H. Shielded illumination device for ophthalmic surgery and the like
US6051011A (en) * 1997-08-28 2000-04-18 Bausch & Lomb Surgical, Inc. Surgical handpiece
US5928263A (en) * 1998-02-02 1999-07-27 Aslan Medical Technologies Surgical instrument with flexible actuator and rigid actuator cover
US6066102A (en) * 1998-03-09 2000-05-23 Spectrascience, Inc. Optical biopsy forceps system and method of diagnosing tissue
DE19855968C1 (de) * 1998-12-04 2000-10-05 Storz Karl Gmbh & Co Kg Medizinisches Rohrschaftinstrument
WO2001037767A1 (fr) * 1999-11-24 2001-05-31 Grieshaber & Co. Ag Dispositif pour ameliorer l'evacuation de l'humeur aqueuse de l'oeil d'un etre vivant

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1285631A3 (fr) * 2001-08-23 2004-02-04 Alcon Grieshaber AG Instrument de microchirurgie
CN103234774A (zh) * 2013-05-06 2013-08-07 郑州大学第一附属医院 视网膜神经细胞层体外分离制备的方法
CN103234774B (zh) * 2013-05-06 2015-06-03 郑州大学第一附属医院 视网膜神经细胞层体外分离制备的方法
EP3202341A4 (fr) * 2014-09-30 2018-03-21 iMott Inc. Ciseaux
US10327799B2 (en) 2014-09-30 2019-06-25 Imott Inc. Scissors
CN104970918A (zh) * 2015-07-27 2015-10-14 浙江大学 一种用于巩膜微切口后路白内障后囊膜环行撕囊的显微镊
WO2017102975A1 (fr) * 2015-12-15 2017-06-22 Netvlieschirurg B.V. Pince de préhension fine et de diathermie et dispositif de coupe diathermique pour chirurgie intraoculaire

Also Published As

Publication number Publication date
JP2003199783A (ja) 2003-07-15
US6908476B2 (en) 2005-06-21
EP1325710A3 (fr) 2005-07-20
US20030120305A1 (en) 2003-06-26

Similar Documents

Publication Publication Date Title
EP1325710A2 (fr) Ciseaux de microchirurgie
EP1285631A2 (fr) Instrument de microchirurgie
DE69531878T2 (de) Vorrichtung zum kontrollierten Einsetzen einer Intraokularlinse
WO2001037767A1 (fr) Dispositif pour ameliorer l'evacuation de l'humeur aqueuse de l'oeil d'un etre vivant
DE69721228T2 (de) Vorrichtung zum einsetzen einer intraokularlinse
EP0484725B1 (fr) Instrument pour pénétrer le tissu d'un corps
WO2000067642A2 (fr) Retracteur utilise en chirurgie endoscopique, instrument medical pour l'introduction d'un retracteur, et procede d'utilisation d'un retracteur en chirurgie endoscopique
EP3876819A1 (fr) Instrument endoscopique
EP0780091A1 (fr) Aiguille médicale de pénétration des tissus corporels
EP2139403A1 (fr) Dispositif destiné au traitement d'un prolapsus hémorroïdaire
EP0601427A2 (fr) Instrument endoscopique
EP2560554A1 (fr) Instrument invasif pour le traitement de vaisseaux
EP1601293B1 (fr) Appareil medical permettant d'obtenir un espace de travail operationnel lors d'operations de la machoire
EP0969772B1 (fr) Spatule a dissequer pourvue de mors ecartables
EP2725988B1 (fr) Système de trocart
DE69407989T2 (de) Lochzangenartiges chirurgisches instrument bestimmt für augenchirurgie
DE202013103110U1 (de) Medizinisches Instrument
EP2265232B1 (fr) Aide chirurgicale à usage ophtalmologique
EP3925583B1 (fr) Dispositif de vitréctomie avec aiguille et laser à impulsion et procédé de fabrication
WO2005023122A1 (fr) Instrument medical pour la dissection de tissus
DE19937043C2 (de) Medizinisches Instrument zur Schaffung eines Hohlraums für einen endoskopischen Eingriff
DE10145107A1 (de) Füllstab für Endoskope
CH710150A2 (de) Beleuchtungssonde für medizinische Zwecke.
DE102017113729A1 (de) Medizinisches Instrument
DE29521451U1 (de) Instrument zur endoskopischen Therapie

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20050622

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AXX Extension fees paid

Extension state: SI

Payment date: 20021114

Extension state: RO

Payment date: 20021114

Extension state: LV

Payment date: 20021114

Extension state: LT

Payment date: 20021114

Extension state: AL

Payment date: 20021114

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060728